Heaters and Related Parts
Keep your hot tub or spa at the perfect temperature with our comprehensive selection of heaters and heating components. We carry complete heater assemblies, heating elements, heater manifolds, and related parts from top spa manufacturers. Whether you need a full heater replacement or just a component, we have you covered. We offer competitive international shipping rates to buyers worldwide.
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MSRP: $19.99$14.99 -
Balboa Copper Heater Jumper Strap - EL/VS/GL/GS Circuit Board Connection
HTPOFAmerica
MSRP: $23.99$18.99This copper jumper strap provides a reliable electrical connection between your Balboa heater and control board. Designed specifically for Balboa EL, VS, GL, and GS circuit board models, this genuine heater connection strap ensures optimal power transfer...MSRP: $23.99$18.99 -
1 1/2" Slip x 2" Threaded Heater Union for Hot Tub Spa - Global
HTPOFAmerica
MSRP: $10.99$8.99Need help installing this component? Look up The Hot Tub Professor on YouTube for detailed installation guidance on 2" x 1 1/2" slip spa heater unions.This listing includes one 1 1/2" Slip x 2" Heater Union fitting. This adapter fitting accepts a 1 1/2"...MSRP: $10.99$8.99 -
2 1/2" Therm Style Union Gasket for Hot Tub Heater & Pump - 3 1/4" OD x 2 3/4" ID
HTPOFAmerica
MSRP: $9.99$7.99This component is a 2 1/2" Therm Style Union Gasket Only designed for installation with 2 1/2" heater or pump unions in your spa system.When working with 2 1/2" heaters or pumps, please verify measurements carefully as Global offers two distinct sizes of...MSRP: $9.99$7.99 -
Hot Tub Heater Split Nut 1 1/2" with 2 3/8" Threads - Includes 2 Screws for Spa Heater Union
HTPOFAmerica
MSRP: $11.99$6.99This listing is for one 1 1/2" Heater Split Nut Assembly that comes complete with split nut and (2) mounting screws designed for 1 1/2" Heater Union applications measuring approximately 2 3/8" OD. This heater flange split nut securely fastens to your...MSRP: $11.99$6.99 -
2" Spa Pump & Heater Union Gasket - Extra Thick 1/4" Flat Seal
Waterway Plastics
MSRP: $6.31$4.91This extra thick 1/4" flat seal gasket is specifically designed for 2" pump and heater unions in hot tubs and spas. Engineered with superior thickness for enhanced durability and leak prevention, this replacement gasket ensures a watertight connection...MSRP: $6.31$4.91 -
2" Heater Union Threaded MBT 3" OD x 2" Slip 2 3/8" ID with Gasket - Hot Tub Spa Parts
HTPOFAmerica
MSRP: $12.99$9.99You are purchasing a 2" Slip X 2" Heater Union with Gasket. This union accepts a 2" pipe or fitting on one end measuring approximately 2 3/8" Outside Diameter, and threads onto a 2" Heater Flange Split Nut on the opposite end measuring approximately 3"...MSRP: $12.99$9.99 -
2" Heater Split Nut for Hot Tub Spa Heater Union - Measures 3" - Includes Screws
HTPOFAmerica
MSRP: $11.99$6.99This listing is for one 2" Heater Split Nut assembly that includes the split nut component plus (2) mounting screws, designed for 2" Heater Unions with threads measuring approximately 3" from edge to edge. This heater flange split nut attaches directly...MSRP: $11.99$6.99 -
5.5kW Teflon Coated Flow Thru Heater Element - M7 - 10-1/2" - 115/230V (Better Grade)
Generic
MSRP: $84.99$64.99This 5.5KW DuPont Teflon® Coated Flow Thru Heating Element operates on both 230V and 115V systems and includes the required bend configuration for Balboa M-7 heater tube installations. Compatible with Gecko, ACC, and most standard 15" long spa heater...MSRP: $84.99$64.99 -
1 1/2" Pump Union Split Nut Emergency Repair Kit with Screws for Hot Tub Spa Pumps
HTPOFAmerica
MSRP: $13.99$10.99This 1 1/2" Pump Union Split Nut Emergency Repair Kit provides a fast solution for damaged pump union connections without requiring replacement of glued plumbing components. The kit contains one split nut plus two mounting screws designed for 1 1/2" pump...MSRP: $13.99$10.99 -
Cal Spa Mo-Flo Heater Union Gasket 2" ID x 3" ID with 2-5/8" Thin Lip
HTPOFAmerica
MSRP: $5.99$4.99This Mo-Flo heater union gasket is designed specifically for Cal Spa applications featuring a 2" inner diameter and 2-3/4" outer diameter. The distinguishing feature of this gasket is its 2-5/8" center to center small lip design. The lip profile is...MSRP: $5.99$4.99 -
2-1/2" Pump Union T Gasket - 3 5/8 Inside Thread Compatibility - 3 1/4" O.D. x 2 3/8" I.D.
HTPOFAmerica
MSRP: $9.99$7.99This 2 1/2" Pump Union Gasket Only creates a watertight seal between your pump and its 2 1/2" union fitting. Designed for unions measuring approximately 3 5/8" Inside Threads, this gasket features precise dimensions of 3 1/4" O.D. x 2 3/8" I.D. with a 2...MSRP: $9.99$7.99